Update RBAC of vault operator to match up-to-date requirements from bank-vaults repo
Update RBAC of vault operator to match up-to-date requirements from bank-vaults repo

* change resources for etcd.database
* add requirement for https://github.com/banzaicloud/bank-vaults/pull/438
* add requirement for https://github.com/banzaicloud/bank-vaults/pull/440
* add missing "monitoring.coreos.com" section

banzaicloud/bank-vaults,banzaicloud/bank-vaults